Guides /  Gut health
NUYU Guide · Gut health

How to keep your gut happy

Your gut does far more than digest food. Here's what it's up to, and the simple daily habits that keep it on side.

4 min readUpdated October 2026
A man surrounded by fruit and vegetables

Your gut isn't just digestion

Think of your gut as more than a food tube. It's home to trillions of bacteria, yeasts and other microbes, together called the gut microbiome. They help break down food, and they're closely linked with your immune system, your energy and how you feel day to day.

When that balance tips, through stress, a low-fibre diet, short nights or a course of antibiotics, a lot of people notice it: bloating, feeling sluggish, or just a constant "meh".

The short version

Look after the basics and your gut tends to look after you.

Your gut and your head talk

Your gut and your brain are in constant contact through what's called the gut-brain axis, a two-way line of nerves, hormones and chemical signals. It's why a stressful day can show up in your stomach, and why many people find their mood and digestion move together.

Balance the basics

Hydration, sleep and movement all play a part in how your gut feels.

HydrationWater, plus electrolytes on busy or hot days, helps keep things moving.
SleepShort, broken nights tend to leave your whole system out of rhythm.
MovementEven a daily walk helps your digestion along.

Where NUYU fits

We keep gut support simple:

  • Pro Biotic 10 Billion: 7 strains plus prebiotic inulin, designed to support daily gut balance and immune health. Our everyday starter.
  • Gut Biotic+: 19 billion CFU from 7 strains plus inulin. The stronger option, and may help reduce bloating and improve regularity.
  • Hydrate Mode: electrolytes to support hydration, with zero sugar.

The takeaway

Your gut doesn't need perfection. It needs consistency. Feed it fibre, drink enough, move most days, find ways to switch off, and add steady daily support if you want it.

Not medical advice

If you have pain, blood or weight loss you can't explain, or symptoms that are new or getting worse, please see your GP.

From the guide

Gut support, kept simple

Everyday starter

Pro Biotic 10 Billion

Designed to support daily gut balance and immune health.

£18.99
Stronger support

Gut Biotic+

May help reduce bloating and improve regularity.

£22.49
Starter kit

Gut Reset Kit

Gut Biotic+ and Lemon Balm Calm in one simple kit.

£29.95£34.49
Try them all

Hydrate Mode Sampler

Five flavours of zero-sugar electrolytes.

£6.99